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9889K33 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9889K33: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL STEM, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END, flow_control_device: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-233-4965, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
9889K33
NSN: 4820-01-233-4965
FSC: 4820 — Valves, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL STEM
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
flow_control_deviceBALL
nominal_thread_size0.500 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
opening_pressure_setting150.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorNPT FIRST END
NSN4820-01-233-4965
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9889K33 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: BALL
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL FLOW CONTROL DEVICE
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9889K33?
9889K33 is a VALVE,SAFETY RELIEF.
What is the NSN for 9889K33?
9889K33 is cataloged in the U.S. Government catalog under NSN 4820-01-233-4965. This indicates validated use in U.S. government and defense supply chains.
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